Kessler Syndrome refers to an avalanche-like phenomenon in which, from a critical density of objects, a collision with space junk produces more junk, which in turn causes more collisions.
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Is the presence of oxygen really indispensable for the emergence of complex multicellular life?
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One of the current hotspots in astrobiology is the search for water in exoplanets. We all seem to share the idea that water is essential for the existence of life, and even the assumption that water and life are almost synonymous.
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Sistema Solar

The Solar System has its own road network, the Interplanetary Transport Network (ITN), a ser of trajectories related to the Lagrange points.
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[caption id="attachment_44035" align="alignleft" width="320"] First stage of the Falcon 9 rocket landing on SpaceX's floating platform. / Mètode[/caption] When NASA was founded, the USAF (United States Air Force) was deep into the development

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Kepler 62f

When I was a kid, I was told that stars were faraway suns, and I asked myself if all of them had planets around. For many years I was convinced

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109-86ok

Imagine a solar panel that can transform almost one hundred percent of the sunlight it receives into electricity. To make the most out of nights, place

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106-85

One of the most common scientific inaccuracies in science fiction movies with journeys to other worlds is their depiction of gravity. With very few exceptions, gravity in the other planet

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112-83

If anything makes space travel particular is its roughness: fuel bursting in a controlled explosion, which, more than once, end up being uncontrolled. But space exploration based on chemical rockets is well established, it

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106-79eng

In the previous issue of Mètode I wrote about the Mars One project, which intends to send 24 colonists to Mars. The conclusion was that it looked like a spectacular scam.

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116-78

You will have probably heard about the Mars One project, a Dutch private initiative that aims to establish a permanent settlement on Mars. The news has had a strong impact

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120-77

Concerning the alleged Mayan apocalypse prophecy, a friend of mine asked: «Well, after this new fiasco, what’s the next scheduled end of the world?» Lists abound on the Internet compiling

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115-75

Mètode In other issues we discussed the possibility (or impossibility) of travelling faster than the speed of light. We saw that hyperdrive transport, by

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106-74

ESA/Hubble & NASA Travelling at hyperluminal speeds would open to humanity the possibility of exploring the whole galaxy, and even, perhaps, other galaxies. In the image, the UGC 12158, photographed by

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106a-73

Courtesy of Max Mitrofanov Artistic recreation of the surface of Venus.  They say that, when the last Venera probe was launched with destination to Venus, two Spanish engineers of the National Institute

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192-2012

© ABC.COM The title heading today’s section is the same as the last episode of the legendary series Cosmos, in which Carl Sagan asked the following question: «We know who speaks

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Picture courtesy of NASA

One of science fiction’s unfulfilled dreams was setting up settlements in other worlds. Even though there was a lot of speculation regarding space settlements when the space race was starting,

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There are times when a story is so striking that the written article emerges unasked. In my case that particular news-story has been a catastrophist pronouncement by Stephen Hawking, stating

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You probably remember Steven Spielberg's 1977 film Close Encounters of the Third Kind in which, in a memorable final scene, humans communicate with aliens with music, specially with that well known "D E C C G" melody that would be later hummed by everyone.
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